Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Have 100,000 gold
Pick 50 locks and 50 pockets
Escape from jail
Collect 15 Daedric Artifacts
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Learn 20 shouts
Reach Level 50
Complete "Elder Knowledge"
Complete "Alduin's Wall"
Capture Solitude or Windhelm
Get a skill to 100
Complete "Hail Sithis!"
Complete "Bound Until Death"
Join the Dark Brotherhood
Make a smithed item, an enchanted item, and a potion
Capture Fort Sungard or Fort Greenwall
Complete "Diplomatic Immunity"
Read 50 Skill Books
Clear 50 dungeons
Absorb 20 dragon souls
Complete 10 side quests
Complete "Glory of the Dead"
Become a member of the Circle
Join the Stormcloaks or the Imperial Army
Join the College of Winterhold
Chop wood, mine ore, and cook food
Learn all three words of a shout
Discover 100 Locations
Get married
Reach Level 25
Successfully persuade, bribe, and intimidate
Select a Standing Stone blessing
Complete 50 Misc Objectives
Join the Thieves Guild
Acquire a Daedric Artifact
Reach Level 10
Join the Companions
Buy a house
Complete "The Way of the Voice"
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Reach Level 5
Complete "Unbound"
Complete "The Fallen"
Complete "Dragonslayer"
Complete "Darkness Returns"
Returned the Thieves Guild to its former glory
Find 13 Standing Stones
Bounty of 1000 gold in all nine holds
Learn the secrets of 5 Black Books
Craft an item out of Stalhrim
Complete "At the Summit of Apocrypha"
Learn all 3 words of Dragon Aspect
Own a house in Raven Rock
Complete "The Path of Knowledge"
Discover 30 locations on the island of Solstheim
Complete "The Temple of Miraak"
Arrive on Solstheim
Tame and ride 5 dragons
Learn all three words of Soul Tear
Complete "Kindred Judgment"
Use the special power of Auriel's Bow
Complete "Beyond Death"
Complete "Awakening"
Complete "Lost to the Ages"
Change your face
Acquire 11 werewolf perks
Acquire 11 vampire perks
Defeat a Legendary Dragon
Adopt a child
Buy three plots of land
Build three wings on a house
Buy a plot of land
Build three houses